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POWhy do textarea `cols` and input text `size` yield different element widths
 

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  1. POWhy do textarea `cols` and input text `size` yield different element widths
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    <p>I am trying to understand the behavior of the <code>cols</code> and <code>size</code> attributes for textarea and input text, respectfully. Although it should be something straight forward, I can't figure out <strong>why do they have different widths if the cols and size values are the same?</strong></p> <p>According to the documentation, both attributes should size the elements so that a given number of characters can fit inside:</p> <blockquote> <p>...<strong>size</strong> attribute <strong>specifies the visible width, in characters, of an input</strong> element. <a href="http://www.w3schools.com/tags/att_input_size.asp" rel="noreferrer">[source - w3schools]</a></p> <p>Note the <strong>cols</strong> and rows attributes (...) specify <strong>how many</strong> columns tall and <strong>rows wide</strong> to make the text area. The values are <strong>measured in characters</strong> .<a href="http://www.w3.org/community/webed/wiki/HTML_forms_-_the_basics" rel="noreferrer"> [source - w3]</a></p> </blockquote> <p>However if I try to assign the same value to both elements, they end up being with different widths. The input field is a bit too small to accommodate the given number of chars and the the textarea - too wide. Most importantly, both have different width.</p> <p>For example:</p> <pre><code>&lt;input type="text" size=40&gt; &lt;textarea cols="40"&gt;&lt;/textarea&gt; </code></pre> <p>produces:</p> <p><img src="https://i.stack.imgur.com/V1JR9.jpg" alt="textarea cols input text size"></p> <p>see here - <a href="http://jsfiddle.net/yjERR/" rel="noreferrer">http://jsfiddle.net/yjERR/</a></p> <p>I've tried this both in Chrome 29 and Firefox 24.</p> <p>I understand that width depends on font styles, but shouldn't both elements still have the same width? Are internal element margins or something else causing this difference?</p> <p><strong>UPDATE</strong></p> <p>It seems the two elements have different font styles, however assigning the same font-family and font-size still produces different widths:</p> <p><img src="https://i.stack.imgur.com/F2zNm.jpg" alt="enter image description here"></p> <p><a href="http://jsfiddle.net/yjERR/10/" rel="noreferrer">udpated fiddle</a></p>
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    1. COIn your example, `input` and `textarea` have different fonts.
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